I currently have similar behavior to that described by @jason-force. I am currently on Ubuntu 15.04.
As my Calibre is installed from the Calibre site rather than a package from the repository, I have filed a more complete bug report here: https://bugs.launchpad.net/calibre/+bug/1660299 -- You received this bug notification because you are a member of Edubuntu Bugsquad, which is subscribed to calibre in Ubuntu. https://bugs.launchpad.net/bugs/1340179 Title: Calibre E-book Viewer has no icon To manage notifications about this bug go to: https://bugs.launchpad.net/hundredpapercuts/+bug/1340179/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~edubuntu-bugs Post to : edubuntu-bugs@lists.launchpad.net Unsubscribe : https://launchpad.net/~edubuntu-bugs More help : https://help.launchpad.net/ListHelp